Zemco, Inc.

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Patent Activity in the Last 10 Years

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
D294808 Automobile alarm deviceExpiredJan 21, 86Mar 22, 88[]
D294561 Automotive compassExpiredSep 18, 85Mar 08, 88[]
4694583 Electronic automotive compass and displayExpiredMar 26, 86Sep 22, 87[G01C]
4576244 Dieter's weighing scaleExpiredFeb 23, 84Mar 18, 86[G01G]
D281403 Electronic weighing scale for dietersExpiredJul 18, 83Nov 19, 85[]
4522280 Automatic disengagement device for automotive cruise control systemExpiredJun 18, 82Jun 11, 85[B60K]
4516433 Flow sensorExpiredJul 18, 83May 14, 85[G01F]
4355607 Safety disengagement device for automotive speed control systemExpiredSep 08, 80Oct 26, 82[F02B]
4297899 Fluid flow sensorExpiredNov 23, 79Nov 03, 81[G01F]
4286683 Stop/start control system for engineExpiredAug 20, 79Sep 01, 81[B60K]

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